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ASTM A252 GR.3SSAW spiral welded black steel pipe, US $ 500 - 500 / Ton, JIS, DIN, GB, API, bs, ASTM, JIS G3459-2004, DIN EN 10217-1-2005, GB/T 3091-2001, GB/T 9711.2-1999, GB/T9711, API 5L, BS EN10025, BS EN10219, BS EN10217, ASTM A53-2007, ASTM A252-1998, Q195-Q345, ST35-ST52, Q235, Q345, Q215, ST